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76-32-4

76-32-4 Structure

76-32-4 Structure
IdentificationMore
[Name]

DL-CAMPHORIC ANHYDRIDE
[CAS]

76-32-4
[Synonyms]

(+/-)-1,8,8-TRIMETHYL-3-OXABICYCLO[3.2.1]OCTANE-2,4-DIONE
1,8,8-TRIMETHYL-3-OXABICYCLO[3.2.1]OCTANE-2,4-DIONE
(+/-)-CAMPHORIC ACID ANHYDRIDE
(+/-)-CAMPHORIC ANHYDRIDE
DL-CAMPHOR ANHYDRIDE
DL-CAMPHORIC ANHYDRIDE
1,3-Cyclopentanedicarboxylic anhydride, 1,2,2-trimethyl-
3-Oxabicyclo[3.2.1]octane-2,4-dione, 1,8,8-trimethyl-
3-oxabicyclo[3.2.1]octane-2,4-dione,1,8,8-trimethyl-
3-oxabicyclo[3.2.1]octane-2,4-dione,1,8,8-trimethyl-,(±)-
(n)-camphoric anhydride
[EINECS(EC#)]

200-952-9
[Molecular Formula]

C10H14O3
[MDL Number]

MFCD00067307
[Molecular Weight]

182.22
[MOL File]

76-32-4.mol
Chemical PropertiesBack Directory
[Melting point ]

222-225 °C
[Boiling point ]

269-271°C
[density ]

1.137±0.06 g/cm3(Predicted)
[Fp ]

269-271°C
[storage temp. ]

2-8°C
[Sensitive ]

Moisture Sensitive
[BRN ]

83114
[CAS DataBase Reference]

76-32-4(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[WGK Germany ]

3
[F ]

10-21
Hazard InformationBack Directory
[Uses]

(±)-Camphoric acid anhydride (1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione) may be useful in the synthesis of aliphatic-aromatic copolyesters.
[Uses]

1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione could be useful for the syntehsis of aliphatic-aromatic copolyesters, and camphoric acid-?based acylhydrazone compounds.
[Purification Methods]

Crystallise the anhydride from EtOH. If it contains too much of the acid (by IR), then reflux it in Ac2O, concentrate and collect the crystals, wash them with pet ether and dry them. [Bunton et al J Chem Soc 2918 1963, NMR: Baker & Davis Tetrahedron 24 1663 1968, Beilstein 18 H 400, 401.]
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

76-32-4(sigmaaldrich)
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